Quote:
Originally Posted by EcoVan
Now that the 2017 Chevy full size van is done, I installed a deeper air dam on our 2007 Jeep Grand Cherokee. The Air dam off the 2015 Ford 4wd pick ups has the exact same front curve as the Jeep, but about 2 inches deeper. I had to rework it some.... heated the mounting flange and bent it out and trimmed it so it had mounting tongues that matched the stock jeep mounting slots. The center mounted into the stock slot with 4 of the the factory quick release clips. The wings I had to trim to size and mount them below the bumper with just used a single through bolt on each end.
Testing maybe this week... with a longer trip the week after.
Stock air dam and new
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I ran one of these on a 2005 Ford Focus Sedan, I was able to get 31MPG at 85MPH on road trips, but when I puttered to work, I would constantly get 38-40 MPG @ 52MPH, the car was an automatic and rated 29MPG highway.